<!DOCTYPE html>
<html>
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
<body>
<div ng-app="myApp" ng-controller="personCtrl">
First Name: <input type="text" ng-model="person.firstName"><br>
Last Name: <input type="text" ng-model="person.lastName"><br>
<br>
Full Name: {{fullName()}}
</div>
<script>
var app = angular.module('myApp', []);
app.controller("personCtrl",function($scope) {
$scope.person = {
firstName: "John",
lastName: "Doe",
};
$scope.fullName = function() {
var x = $scope.person;
return x.firstName + " " + x.lastName;
};
});
</script>
</body>
</html>